47731255 has 32 divisors (see below), whose sum is σ = 67814208. Its totient is φ = 31795200.

The previous prime is 47731253. The next prime is 47731259. The reversal of 47731255 is 55213774.

47731255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47731255 - 2¹ = 47731253 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 47731255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47731253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172177 + ... + 172453.

It is an arithmetic number, because the mean of its divisors is an integer number (2119194).

Almost surely, 2^47731255 is an apocalyptic number.

47731255 is a deficient number, since it is larger than the sum of its proper divisors (20082953).

47731255 is a wasteful number, since it uses less digits than its factorization.

47731255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547.

The product of its digits is 29400, while the sum is 34.

The square root of 47731255 is about 6908.7810068058. The cubic root of 47731255 is about 362.7445959212.

The spelling of 47731255 in words is "forty-seven million, seven hundred thirty-one thousand, two hundred fifty-five".